package com.zc.vod.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.exceptions.ClientException;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.aliyuncs.vod.model.v20170321.DeleteVideoResponse;
import com.zc.servicebase.exception.CongException;
import com.zc.utils.R;
import com.zc.vod.service.VodService;
import com.zc.vod.utils.ConstantVod;
import com.zc.vod.utils.InitVodClient;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.io.InputStream;
import java.util.List;

@Service
@Slf4j
public class VodServiceImpl implements VodService {
	@Override
	public String uploadVideo(MultipartFile file) {
		try {
			InputStream inputStream = file.getInputStream();
			String originalFilename = file.getOriginalFilename();
			String title = originalFilename.substring(0, originalFilename.lastIndexOf("."));

			UploadStreamRequest request = new UploadStreamRequest(
					ConstantVod.ACCESS_KEY_ID,
					ConstantVod.ACCESS_KEY_SECRET,
					title, originalFilename, inputStream);

			UploadVideoImpl uploader = new UploadVideoImpl();
			UploadStreamResponse response = uploader.uploadStream(request);

			//如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。
			// 其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
			String videoId = response.getVideoId();
			if (!response.isSuccess()) {
				String errorMessage = "阿里云上传错误：" + "code：" + response.getCode() + ", message：" + response.getMessage();
				log.warn(errorMessage);
				if(StringUtils.isEmpty(videoId)){
					throw new CongException(20001, errorMessage);
				}
			}

			return videoId;
		} catch (IOException e) {
			throw new CongException(20001, "vod 服务上传失败");
		}
	}

	@Override
	public void removeVideoList(List<String> videoIdList) {
		DefaultAcsClient vodClient = InitVodClient.createVodClient(ConstantVod.ACCESS_KEY_ID, ConstantVod.ACCESS_KEY_SECRET);
		DeleteVideoRequest request = new DeleteVideoRequest();

		request.setVideoIds(StringUtils.join(videoIdList.toArray(), ","));

		DeleteVideoResponse response = null;
		try {
			response = vodClient.getAcsResponse(request);
		} catch (ClientException e) {
			e.printStackTrace();
			throw new CongException(R.error().getCode(), "删除视频失败");
		}
	}
}
